1 files changed, 13 insertions, 0 deletions
diff --git a/src/test/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.rs b/src/test/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.rs
new file mode 100644
index 000000000..4846af96d
--- /dev/null
+++ b/src/test/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.rs
@@ -0,0 +1,13 @@
+#![feature(generic_associated_types)]
+
+trait X {
+    type Y<'a>;
+}
+
+const _: () = {
+  fn f2<'a>(arg : Box<dyn X<Y<1> = &'a ()>>) {}
+      //~^ ERROR this associated type takes 1 lifetime argument but 0 lifetime arguments
+      //~| ERROR this associated type takes 0 generic arguments but 1 generic argument
+};
+
+fn main() {}